Sources: USDA, "Growing Vegetables in the
home," 1972, North Dakota State Univ. Extension Service. The National
Arbor Day Foundation allows visitors to search by zip code for their
Hardiness Zone .

The top of the graphic below shows the percentage of recent change in temperatures. Planter
lies in Zone 5, but our frost-free dates belie the table below. Desertification and glacial meltdown are just
a hearbeat away . . .